211222011110 has 64 divisors (see below), whose sum is σ = 423781113600. Its totient is φ = 75153429120.

The previous prime is 211222011101. The next prime is 211222011127. The reversal of 211222011110 is 11110222112.

It is a super-2 number, since 2×211222011110² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1001957 + ... + 1194303.

It is an arithmetic number, because the mean of its divisors is an integer number (6621579900).

Almost surely, 2^211222011110 is an apocalyptic number.

211222011110 is an abundant number, since it is smaller than the sum of its proper divisors (212559102490).

211222011110 is a wasteful number, since it uses less digits than its factorization.

211222011110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192581.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 211222011110 its reverse (11110222112), we get a palindrome (222332233222).

The spelling of 211222011110 in words is "two hundred eleven billion, two hundred twenty-two million, eleven thousand, one hundred ten".